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Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85dB siren provides a clear, loud warning upon detection. Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO and smoke levels, even if there's a power failure(Operated by 2 x 1.5V AA Batteries (not included)).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.